Critical Exploited CISA KEV 1 vendor · 1 advisory

CVE-2026-0300

Unified cross-vendor view: this CVE is referenced by 1 tracked vendor. Each vendor rates and fixes it independently — confirm the impact for your specific products below.

NVD detail CVE.org

Palo Alto1 advisory

Critical9.3CVE-2026-0300 PAN-OS: Unauthenticated user initiated Buffer Overflow Vulnerability in User-ID™ Authentication PortalMay 28, 2026

CVE-2026-0300 — critical severity, 1 vendor affected · VulniPulse